private void RememberSourceTabChoice(GeckoHtmlElement target)
{
//"<a class="sourceTextTab" href="#tpi">Tok Pisin</a>"
var start = 1 + target.OuterHtml.IndexOf("#");
var end = target.OuterHtml.IndexOf("\">");
Settings.Default.LastSourceLanguageViewed = target.OuterHtml.Substring(start, end - start);
}